
China Road & Bridge Corp.Beijing Shi, China

Zhejiang Communications Construction Group Co. Ltd.

Franki Fondation SASFrance

Cirkel GmbH & Co. KGNordrhein-Westfalen, Germany

China Energy Engineering Group Guangdong Power Engineering Co.

China Railway 19th Bureau Group 3rd Co., Ltd.

CSCEC Strait Construction & Development Co., Ltd.

Han Kyung Co., Ltd.South Korea

schattdecor AG

Chengdu Western Union Petro Engineering Technology Co. Ltd.Sichuan Sheng, China

China National Chemical Engineering Co., Ltd.Beijing Shi, China

International Pavement Solutions, Inc.